CVE-2018-20404 Denial of service in n/a
A local attacker can cause a system hang or Blue Screen of Death in the VIA EPIA-E900 SmartETK driver via a specific IOCTL call.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-20404?
CVE-2018-20404 is a high-severity denial of service vulnerability in n/a, published on 26 Dec 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ETK_E900.sys, a SmartETK driver for VIA Technologies EPIA-E900 system board, is vulnerable to denial of service attack via IOCTL 0x9C402048, which calls memmove and constantly fails on an arbitrary (uncontrollable) address, resulting in an eternal hang or a BSoD.
Weakness: CWE-20
Which versions are affected by CVE-2018-20404?
It affects 1 product.
Products include Viatech Epia-E900 Firmware.
How do I fix CVE-2018-20404?
No fix has been published for CVE-2018-20404 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-20404 being exploited?
There is no known exploitation of CVE-2018-20404 in the wild and no public exploit code.
Sources
Also known as GHSA-mr4r-rgr7-6hqw.